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经营范围
发明名称
Protecting shield
摘要
申请公布号
US2591783(A)
申请公布日期
1952.04.08
申请号
US19510218959
申请日期
1951.04.03
申请人
CRADDOCK DOUGLAS L
发明人
CRADDOCK DOUGLAS L.
分类号
A61F5/00;A61F6/04
主分类号
A61F5/00
代理机构
代理人
主权项
地址
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